1Risk factors and MR characteristics of toxoplasma encephalopathy in HIV/AIDSCHEN Qiyi, XIE Ruming, LV Zhibin, WEI Liangui, XU Donghai, CHEN BudongArticles345-3482The study of brain network node flexibility based on fMRI in patients with vascular cognitive impairmentZHOU Xiaoliang, LOU Mingwu, WU Wulin, YUAN Haitao, HUANG QihuaArticles349-3533The exploration of MRI presentation of primary central nervous system lymphomaLUO Guodong, SUN Xinhai, ZHAI Ning, HU Xibin, ZHU Laimin, WANG XiaoliArticles354-3574Brucella endocarditis: one case report357,3825MR the value of diffusion tensor diffusion kurtosis imaging in the diagnosis of Parkinson's diseaseLIU Ying, WANG Hong, MA JingxuArticles358-3626Value of three dimensional CTA for rupture and bleeding prognosis in high risk intracranial aneurysm and sensitivity indicators screeningCHEN Yunkui, FU Huihong, WANG Lubing, HUANG DanjiangArticles363-3667Value of multi b-value DWI of 3.0T MR in differential diagnosis of benign and malignant cervical lymph nodes in patients with nasopharyngeal carcinomaHUANG Tao, JIANG Pingping, FAN Lanzhen, MAN YupingArticles367-370,3748The value of microvascular imaging in the evaluation of papillary thyroid micarcinomaWANG Shuanglong, DONG Lei, LV Bin, LI Long, ZHENG Lu, MA Xiangling, GAO Xiaohong, ZHAO RuiArticles371-3749Dual-source CT dual-energy scanning in measuring iodine concentration, volume and total iodine of normal thyroid tissuePAN Dongmei, LI Zhengteng, WANG Min, ZHAI Rui, WANG YuexunArticles375-377,53110Diagnostic value of MSCT and bronchoscope in tracheal bronchial variationWANG Ji, YANG Xinyan, ZHENG Yuli, DU Xin, WANG Xianliang, WANG Wengang, PANG Mingyuan, YU HaiyanArticles378-38211Evaluation and clinical application of multi-slice spiral CT in right upper lobe pulmonary vein classificationWANG Juan, HE WenArticles383-38712Sertoli-Leydig cell tumor of the ovary: one case report387,39213Application of the 18F-FDG PET/CT and pulmonary artery perfusion index to diagnose the single pulmonary nodulesGUO Chengwei, HOU Bonan, CHEN WeijunArticles388-39214The applied value of ultrasound-guided fine needle aspiration biopsy and ultrasonic elastography in the diagnosis of breast massesZOU Shuli, WU Zailong, ZHANG Jinrui, JIAO JianArticles393-39615Embryonal rhabdomyosarcoma of infant vagina: one case report396,40116Comparison of the value of ultrasonography and 99Tcm-thiocolloid in sentinel lymph nodes of breast cancerWANG Jingmin, LI Qian, GUO Xiaoxia, LIU Qi, ZHANG QianArticles397-40117Multi-parametric magnetic resonance imaging in predicting the efficacy of neoadjuvant chemotherapy in human epidermal growth factor receptor 2 (HER2) positive breast cancerYU Jiangbo, YI Chunyan, DING Hui, XU Mei, JIA Guijing, MA JieArticles402-40818Sacrococcygeal epithelioid sarcoma: one case report408,41319Dual-layer detector computed tomography in small hepatocellular carcinoma: investigation of the optimal single energy valueFU Zhihao, DU Chao, LI Daixin, TIAN Yuting, XU ChuanjunArticles409-41320Value of dynamic contrast-enhanced MRI subtraction and DWI in assessing treatment response for primary liver cancer after loco-regional therapiesZHAO Meng, XU Xinghua, WANG Fang, XU Yifan, XUE Feng, WANG QingArticles414-419